The Timken Company 455073 Oil Seal Single Lip

The Timken National Oil Seal 455073 is a single-lip, spring-loaded oil seal that retains lubricants while blocking dirt, moisture, and other contaminants from entering rotating shaft systems. It is designed for industrial gearboxes, pumps, electric motors, conveyors, mining and construction equipment, and other heavy-duty machinery, and is commonly used in replacements, rebuilds, retrofits, and preventive maintenance to extend seal life. Key specs include MPN 455073, Series 450000, Design Type Type 45, Seal Type Single Lip with Spring, Material/NBR nitrile (NBR), Construction Solid with Inner Case, Redi-Coat Yes, and Inch measurement system; Shaft ID 5.500 in (139.70 mm), OD 6.757 in (171.63 mm), Housing Bore 6.749 in (171.42 mm), Width 0.625 in (15.875 mm); Maximum shaft surface speed 3000 ft/min; Misalignment tolerance 0.015 in at 800 rpm and 0.010 in at 4200 rpm; Continuous operating temperature −40°F to 225°F (−40°C to 107°C); Weight 1.06 lb. Common replacements include SKF equivalent oil seals, CR (Chicago Rawhide) equivalent oil seals, and National 450000 series oil seals.